Finding the Fourth Proportional to 78,772.56, 118,124.28 and 29,490

Step by Step Solution

1. Step 1: Write the proportion equation
   78,772.56 : 118,124.28 = 29,490 : x
2. Step 2: Convert to fraction form
   78,772.56/118,124.28 = 29,490/x
3. Step 3: Cross multiply
   78,772.56x = 118,124.28 × 29,490
4. Step 4: Simplify right side
   78,772.56x = 3,483,485,017.20
5. Step 5: Solve for x
   x = 3,483,485,017.20/78,772.56
6. Step 6: Final answer
   x = 44,222.06