Finding the Fourth Proportional to 128,373,369.10, 192,552,965.90 and 93,865,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,373,369.10 : 192,552,965.90 = 93,865,133.50 : x
2. Step 2: Convert to fraction form
   128,373,369.10/192,552,965.90 = 93,865,133.50/x
3. Step 3: Cross multiply
   128,373,369.10x = 192,552,965.90 × 93,865,133.50
4. Step 4: Simplify right side
   128,373,369.10x = 18,074,009,849,061,684
5. Step 5: Solve for x
   x = 18,074,009,849,061,684/128,373,369.10
6. Step 6: Final answer
   x = 140,792,517.77