Finding the Fourth Proportional to 56,738.18, 78,312.48 and 32,861

Step by Step Solution

1. Step 1: Write the proportion equation
   56,738.18 : 78,312.48 = 32,861 : x
2. Step 2: Convert to fraction form
   56,738.18/78,312.48 = 32,861/x
3. Step 3: Cross multiply
   56,738.18x = 78,312.48 × 32,861
4. Step 4: Simplify right side
   56,738.18x = 2,573,426,405.28
5. Step 5: Solve for x
   x = 2,573,426,405.28/56,738.18
6. Step 6: Final answer
   x = 45,356.17