Finding the Fourth Proportional to 74,700.16, 112,038.72 and 33,139.84

Step by Step Solution

1. Step 1: Write the proportion equation
   74,700.16 : 112,038.72 = 33,139.84 : x
2. Step 2: Convert to fraction form
   74,700.16/112,038.72 = 33,139.84/x
3. Step 3: Cross multiply
   74,700.16x = 112,038.72 × 33,139.84
4. Step 4: Simplify right side
   74,700.16x = 3,712,945,254.60
5. Step 5: Solve for x
   x = 3,712,945,254.60/74,700.16
6. Step 6: Final answer
   x = 49,704.65