Finding the Fourth Proportional to 66,068.88, 91,152.72 and 37,754.40

Step by Step Solution

1. Step 1: Write the proportion equation
   66,068.88 : 91,152.72 = 37,754.40 : x
2. Step 2: Convert to fraction form
   66,068.88/91,152.72 = 37,754.40/x
3. Step 3: Cross multiply
   66,068.88x = 91,152.72 × 37,754.40
4. Step 4: Simplify right side
   66,068.88x = 3,441,416,251.97
5. Step 5: Solve for x
   x = 3,441,416,251.97/66,068.88
6. Step 6: Final answer
   x = 52,088.31