Finding the Fourth Proportional to 117,399.15, 175,787.69 and 61,878.51

Step by Step Solution

1. Step 1: Write the proportion equation
   117,399.15 : 175,787.69 = 61,878.51 : x
2. Step 2: Convert to fraction form
   117,399.15/175,787.69 = 61,878.51/x
3. Step 3: Cross multiply
   117,399.15x = 175,787.69 × 61,878.51
4. Step 4: Simplify right side
   117,399.15x = 10,877,480,024.15
5. Step 5: Solve for x
   x = 10,877,480,024.15/117,399.15
6. Step 6: Final answer
   x = 92,653.82