Finding the Fourth Proportional to 112,792.14, 155,654.69 and 61,803.86

Step by Step Solution

1. Step 1: Write the proportion equation
   112,792.14 : 155,654.69 = 61,803.86 : x
2. Step 2: Convert to fraction form
   112,792.14/155,654.69 = 61,803.86/x
3. Step 3: Cross multiply
   112,792.14x = 155,654.69 × 61,803.86
4. Step 4: Simplify right side
   112,792.14x = 9,620,060,669.10
5. Step 5: Solve for x
   x = 9,620,060,669.10/112,792.14
6. Step 6: Final answer
   x = 85,290.17