Finding the Fourth Proportional to 67,128.52, 92,523.30 and 45,870.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,128.52 : 92,523.30 = 45,870.76 : x
2. Step 2: Convert to fraction form
   67,128.52/92,523.30 = 45,870.76/x
3. Step 3: Cross multiply
   67,128.52x = 92,523.30 × 45,870.76
4. Step 4: Simplify right side
   67,128.52x = 4,244,114,088.71
5. Step 5: Solve for x
   x = 4,244,114,088.71/67,128.52
6. Step 6: Final answer
   x = 63,223.71