Finding the Fourth Proportional to 66,061.32, 91,142.40 and 37,746.96

Step by Step Solution

1. Step 1: Write the proportion equation
   66,061.32 : 91,142.40 = 37,746.96 : x
2. Step 2: Convert to fraction form
   66,061.32/91,142.40 = 37,746.96/x
3. Step 3: Cross multiply
   66,061.32x = 91,142.40 × 37,746.96
4. Step 4: Simplify right side
   66,061.32x = 3,440,348,527.10
5. Step 5: Solve for x
   x = 3,440,348,527.10/66,061.32
6. Step 6: Final answer
   x = 52,078.11