Finding the Fourth Proportional to 109,488.31, 151,093.72 and 59,187.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,488.31 : 151,093.72 = 59,187.31 : x
2. Step 2: Convert to fraction form
   109,488.31/151,093.72 = 59,187.31/x
3. Step 3: Cross multiply
   109,488.31x = 151,093.72 × 59,187.31
4. Step 4: Simplify right side
   109,488.31x = 8,942,830,844.69
5. Step 5: Solve for x
   x = 8,942,830,844.69/109,488.31
6. Step 6: Final answer
   x = 81,678.41