Finding the Fourth Proportional to 56,612.65, 78,123.77 and 32,412.81

Step by Step Solution

1. Step 1: Write the proportion equation
   56,612.65 : 78,123.77 = 32,412.81 : x
2. Step 2: Convert to fraction form
   56,612.65/78,123.77 = 32,412.81/x
3. Step 3: Cross multiply
   56,612.65x = 78,123.77 × 32,412.81
4. Step 4: Simplify right side
   56,612.65x = 2,532,210,751.43
5. Step 5: Solve for x
   x = 2,532,210,751.43/56,612.65
6. Step 6: Final answer
   x = 44,728.71