Finding the Fourth Proportional to 66,153.71, 91,293.86 and 37,868.51

Step by Step Solution

1. Step 1: Write the proportion equation
   66,153.71 : 91,293.86 = 37,868.51 : x
2. Step 2: Convert to fraction form
   66,153.71/91,293.86 = 37,868.51/x
3. Step 3: Cross multiply
   66,153.71x = 91,293.86 × 37,868.51
4. Step 4: Simplify right side
   66,153.71x = 3,457,162,088.55
5. Step 5: Solve for x
   x = 3,457,162,088.55/66,153.71
6. Step 6: Final answer
   x = 52,259.54