Finding the Fourth Proportional to 58,060.01, 87,128.82 and 21,124.01

Step by Step Solution

1. Step 1: Write the proportion equation
   58,060.01 : 87,128.82 = 21,124.01 : x
2. Step 2: Convert to fraction form
   58,060.01/87,128.82 = 21,124.01/x
3. Step 3: Cross multiply
   58,060.01x = 87,128.82 × 21,124.01
4. Step 4: Simplify right side
   58,060.01x = 1,840,509,629.32
5. Step 5: Solve for x
   x = 1,840,509,629.32/58,060.01
6. Step 6: Final answer
   x = 31,700.13