Finding the Fourth Proportional to 78,343.89, 108,114.74 and 42,533.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,343.89 : 108,114.74 = 42,533.13 : x
2. Step 2: Convert to fraction form
   78,343.89/108,114.74 = 42,533.13/x
3. Step 3: Cross multiply
   78,343.89x = 108,114.74 × 42,533.13
4. Step 4: Simplify right side
   78,343.89x = 4,598,458,291.34
5. Step 5: Solve for x
   x = 4,598,458,291.34/78,343.89
6. Step 6: Final answer
   x = 58,695.81