Finding the Fourth Proportional to 142,544,076.42, 213,847,607.43 and 51,665,303.46

Step by Step Solution

1. Step 1: Write the proportion equation
   142,544,076.42 : 213,847,607.43 = 51,665,303.46 : x
2. Step 2: Convert to fraction form
   142,544,076.42/213,847,607.43 = 51,665,303.46/x
3. Step 3: Cross multiply
   142,544,076.42x = 213,847,607.43 × 51,665,303.46
4. Step 4: Simplify right side
   142,544,076.42x = 11,048,501,532,065,902
5. Step 5: Solve for x
   x = 11,048,501,532,065,902/142,544,076.42
6. Step 6: Final answer
   x = 77,509,369.80