Finding the Fourth Proportional to 58,196.61, 87,307.88 and 31,887.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,196.61 : 87,307.88 = 31,887.81 : x
2. Step 2: Convert to fraction form
   58,196.61/87,307.88 = 31,887.81/x
3. Step 3: Cross multiply
   58,196.61x = 87,307.88 × 31,887.81
4. Step 4: Simplify right side
   58,196.61x = 2,784,056,929.50
5. Step 5: Solve for x
   x = 2,784,056,929.50/58,196.61
6. Step 6: Final answer
   x = 47,838.82