Finding the Fourth Proportional to 142,442,628.72, 213,663,610.86 and 93,566,996.40

Step by Step Solution

1. Step 1: Write the proportion equation
   142,442,628.72 : 213,663,610.86 = 93,566,996.40 : x
2. Step 2: Convert to fraction form
   142,442,628.72/213,663,610.86 = 93,566,996.40/x
3. Step 3: Cross multiply
   142,442,628.72x = 213,663,610.86 × 93,566,996.40
4. Step 4: Simplify right side
   142,442,628.72x = 19,991,862,308,148,624
5. Step 5: Solve for x
   x = 19,991,862,308,148,624/142,442,628.72
6. Step 6: Final answer
   x = 140,350,276.37