Finding the Fourth Proportional to 58,061.67, 87,131.34 and 21,125.67

Step by Step Solution

1. Step 1: Write the proportion equation
   58,061.67 : 87,131.34 = 21,125.67 : x
2. Step 2: Convert to fraction form
   58,061.67/87,131.34 = 21,125.67/x
3. Step 3: Cross multiply
   58,061.67x = 87,131.34 × 21,125.67
4. Step 4: Simplify right side
   58,061.67x = 1,840,707,935.50
5. Step 5: Solve for x
   x = 1,840,707,935.50/58,061.67
6. Step 6: Final answer
   x = 31,702.64