Finding the Fourth Proportional to 114,933.71, 172,031.81 and 61,492

Step by Step Solution

1. Step 1: Write the proportion equation
   114,933.71 : 172,031.81 = 61,492 : x
2. Step 2: Convert to fraction form
   114,933.71/172,031.81 = 61,492/x
3. Step 3: Cross multiply
   114,933.71x = 172,031.81 × 61,492
4. Step 4: Simplify right side
   114,933.71x = 10,578,580,060.52
5. Step 5: Solve for x
   x = 10,578,580,060.52/114,933.71
6. Step 6: Final answer
   x = 92,040.71