Finding the Fourth Proportional to 58,685.67, 88,035.34 and 21,263.37

Step by Step Solution

1. Step 1: Write the proportion equation
   58,685.67 : 88,035.34 = 21,263.37 : x
2. Step 2: Convert to fraction form
   58,685.67/88,035.34 = 21,263.37/x
3. Step 3: Cross multiply
   58,685.67x = 88,035.34 × 21,263.37
4. Step 4: Simplify right side
   58,685.67x = 1,871,927,567.32
5. Step 5: Solve for x
   x = 1,871,927,567.32/58,685.67
6. Step 6: Final answer
   x = 31,897.52