Finding the Fourth Proportional to 31,096.59, 42,901.88 and 19,925.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.59 : 42,901.88 = 19,925.07 : x
2. Step 2: Convert to fraction form
   31,096.59/42,901.88 = 19,925.07/x
3. Step 3: Cross multiply
   31,096.59x = 42,901.88 × 19,925.07
4. Step 4: Simplify right side
   31,096.59x = 854,822,962.13
5. Step 5: Solve for x
   x = 854,822,962.13/31,096.59
6. Step 6: Final answer
   x = 27,489.28