Finding the Fourth Proportional to 78,410.51, 117,601.88 and 35,706.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,410.51 : 117,601.88 = 35,706.15 : x
2. Step 2: Convert to fraction form
   78,410.51/117,601.88 = 35,706.15/x
3. Step 3: Cross multiply
   78,410.51x = 117,601.88 × 35,706.15
4. Step 4: Simplify right side
   78,410.51x = 4,199,109,779.55
5. Step 5: Solve for x
   x = 4,199,109,779.55/78,410.51
6. Step 6: Final answer
   x = 53,552.89