Finding the Fourth Proportional to 83,117.61, 114,688.91 and 47,308.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,117.61 : 114,688.91 = 47,308.25 : x
2. Step 2: Convert to fraction form
   83,117.61/114,688.91 = 47,308.25/x
3. Step 3: Cross multiply
   83,117.61x = 114,688.91 × 47,308.25
4. Step 4: Simplify right side
   83,117.61x = 5,425,732,031.50
5. Step 5: Solve for x
   x = 5,425,732,031.50/83,117.61
6. Step 6: Final answer
   x = 65,277.77