Finding the Fourth Proportional to 74,851.75, 103,114.51 and 64,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   74,851.75 : 103,114.51 = 64,061.98 : x
2. Step 2: Convert to fraction form
   74,851.75/103,114.51 = 64,061.98/x
3. Step 3: Cross multiply
   74,851.75x = 103,114.51 × 64,061.98
4. Step 4: Simplify right side
   74,851.75x = 6,605,719,677.33
5. Step 5: Solve for x
   x = 6,605,719,677.33/74,851.75
6. Step 6: Final answer
   x = 88,250.70