Finding the Fourth Proportional to 5,009,499,507.42, 7,507,712,536.80 and 2,798,619,916.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,009,499,507.42 : 7,507,712,536.80 = 2,798,619,916.86 : x
2. Step 2: Convert to fraction form
   5,009,499,507.42/7,507,712,536.80 = 2,798,619,916.86/x
3. Step 3: Cross multiply
   5,009,499,507.42x = 7,507,712,536.80 × 2,798,619,916.86
4. Step 4: Simplify right side
   5,009,499,507.42x = 21,011,233,835,547,996,160
5. Step 5: Solve for x
   x = 21,011,233,835,547,996,160/5,009,499,507.42
6. Step 6: Final answer
   x = 4,194,278,052.01