Finding the Fourth Proportional to 83,238.84, 124,636.52 and 65,045.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,238.84 : 124,636.52 = 65,045.63 : x
2. Step 2: Convert to fraction form
   83,238.84/124,636.52 = 65,045.63/x
3. Step 3: Cross multiply
   83,238.84x = 124,636.52 × 65,045.63
4. Step 4: Simplify right side
   83,238.84x = 8,107,061,438.61
5. Step 5: Solve for x
   x = 8,107,061,438.61/83,238.84
6. Step 6: Final answer
   x = 97,395.18