Finding the Fourth Proportional to 93,503.06, 140,266.72 and 42,889.89

Step by Step Solution

1. Step 1: Write the proportion equation
   93,503.06 : 140,266.72 = 42,889.89 : x
2. Step 2: Convert to fraction form
   93,503.06/140,266.72 = 42,889.89/x
3. Step 3: Cross multiply
   93,503.06x = 140,266.72 × 42,889.89
4. Step 4: Simplify right side
   93,503.06x = 6,016,024,191.46
5. Step 5: Solve for x
   x = 6,016,024,191.46/93,503.06
6. Step 6: Final answer
   x = 64,340.40