Finding the Fourth Proportional to 58,670.38, 88,012.32 and 21,248.07

Step by Step Solution

1. Step 1: Write the proportion equation
   58,670.38 : 88,012.32 = 21,248.07 : x
2. Step 2: Convert to fraction form
   58,670.38/88,012.32 = 21,248.07/x
3. Step 3: Cross multiply
   58,670.38x = 88,012.32 × 21,248.07
4. Step 4: Simplify right side
   58,670.38x = 1,870,092,141.09
5. Step 5: Solve for x
   x = 1,870,092,141.09/58,670.38
6. Step 6: Final answer
   x = 31,874.56