Finding the Fourth Proportional to 78,741.42, 118,111.65 and 28,824.99

Step by Step Solution

1. Step 1: Write the proportion equation
   78,741.42 : 118,111.65 = 28,824.99 : x
2. Step 2: Convert to fraction form
   78,741.42/118,111.65 = 28,824.99/x
3. Step 3: Cross multiply
   78,741.42x = 118,111.65 × 28,824.99
4. Step 4: Simplify right side
   78,741.42x = 3,404,567,130.13
5. Step 5: Solve for x
   x = 3,404,567,130.13/78,741.42
6. Step 6: Final answer
   x = 43,237.31