Finding the Fourth Proportional to 72,897.30, 109,175.82 and 56,124.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,897.30 : 109,175.82 = 56,124.18 : x
2. Step 2: Convert to fraction form
   72,897.30/109,175.82 = 56,124.18/x
3. Step 3: Cross multiply
   72,897.30x = 109,175.82 × 56,124.18
4. Step 4: Simplify right side
   72,897.30x = 6,127,403,373.33
5. Step 5: Solve for x
   x = 6,127,403,373.33/72,897.30
6. Step 6: Final answer
   x = 84,055.29