Finding the Fourth Proportional to 56,152.04, 77,397.50 and 39,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,152.04 : 77,397.50 = 39,804.72 : x
2. Step 2: Convert to fraction form
   56,152.04/77,397.50 = 39,804.72/x
3. Step 3: Cross multiply
   56,152.04x = 77,397.50 × 39,804.72
4. Step 4: Simplify right side
   56,152.04x = 3,080,785,816.20
5. Step 5: Solve for x
   x = 3,080,785,816.20/56,152.04
6. Step 6: Final answer
   x = 54,865.07