Finding the Fourth Proportional to 56,941.47, 78,579.32 and 31,100.00

Step by Step Solution

1. Step 1: Write the proportion equation
   56,941.47 : 78,579.32 = 31,100.00 : x
2. Step 2: Convert to fraction form
   56,941.47/78,579.32 = 31,100.00/x
3. Step 3: Cross multiply
   56,941.47x = 78,579.32 × 31,100.00
4. Step 4: Simplify right side
   56,941.47x = 2,443,816,303.60
5. Step 5: Solve for x
   x = 2,443,816,303.60/56,941.47
6. Step 6: Final answer
   x = 42,918.04