Finding the Fourth Proportional to 121,895,517.50, 182,870,373.18 and 57,164,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   121,895,517.50 : 182,870,373.18 = 57,164,822.72 : x
2. Step 2: Convert to fraction form
   121,895,517.50/182,870,373.18 = 57,164,822.72/x
3. Step 3: Cross multiply
   121,895,517.50x = 182,870,373.18 × 57,164,822.72
4. Step 4: Simplify right side
   121,895,517.50x = 10,453,752,463,574,942
5. Step 5: Solve for x
   x = 10,453,752,463,574,942/121,895,517.50
6. Step 6: Final answer
   x = 85,759,941.61