Finding the Fourth Proportional to 116,978.22, 175,536.45 and 43,158.06

Step by Step Solution

1. Step 1: Write the proportion equation
   116,978.22 : 175,536.45 = 43,158.06 : x
2. Step 2: Convert to fraction form
   116,978.22/175,536.45 = 43,158.06/x
3. Step 3: Cross multiply
   116,978.22x = 175,536.45 × 43,158.06
4. Step 4: Simplify right side
   116,978.22x = 7,575,812,641.29
5. Step 5: Solve for x
   x = 7,575,812,641.29/116,978.22
6. Step 6: Final answer
   x = 64,762.59