Finding the Fourth Proportional to 172,038,086.99, 237,412,993.98 and 93,722,211.12

Step by Step Solution

1. Step 1: Write the proportion equation
   172,038,086.99 : 237,412,993.98 = 93,722,211.12 : x
2. Step 2: Convert to fraction form
   172,038,086.99/237,412,993.98 = 93,722,211.12/x
3. Step 3: Cross multiply
   172,038,086.99x = 237,412,993.98 × 93,722,211.12
4. Step 4: Simplify right side
   172,038,086.99x = 22,250,870,744,424,848
5. Step 5: Solve for x
   x = 22,250,870,744,424,848/172,038,086.99
6. Step 6: Final answer
   x = 129,336,887.74