Finding the Fourth Proportional to 117,870.76, 176,800.38 and 43,993

Step by Step Solution

1. Step 1: Write the proportion equation
   117,870.76 : 176,800.38 = 43,993 : x
2. Step 2: Convert to fraction form
   117,870.76/176,800.38 = 43,993/x
3. Step 3: Cross multiply
   117,870.76x = 176,800.38 × 43,993
4. Step 4: Simplify right side
   117,870.76x = 7,777,979,117.34
5. Step 5: Solve for x
   x = 7,777,979,117.34/117,870.76
6. Step 6: Final answer
   x = 65,987.35