Finding the Fourth Proportional to 52,123,101.34, 71,928,923.12 and 28,917,730.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,123,101.34 : 71,928,923.12 = 28,917,730.12 : x
2. Step 2: Convert to fraction form
   52,123,101.34/71,928,923.12 = 28,917,730.12/x
3. Step 3: Cross multiply
   52,123,101.34x = 71,928,923.12 × 28,917,730.12
4. Step 4: Simplify right side
   52,123,101.34x = 2,080,021,186,606,388.50
5. Step 5: Solve for x
   x = 2,080,021,186,606,388.50/52,123,101.34
6. Step 6: Final answer
   x = 39,905,936.78