Finding the Fourth Proportional to 73,099.17, 100,877.70 and 42,885.01

Step by Step Solution

1. Step 1: Write the proportion equation
   73,099.17 : 100,877.70 = 42,885.01 : x
2. Step 2: Convert to fraction form
   73,099.17/100,877.70 = 42,885.01/x
3. Step 3: Cross multiply
   73,099.17x = 100,877.70 × 42,885.01
4. Step 4: Simplify right side
   73,099.17x = 4,326,140,668.89
5. Step 5: Solve for x
   x = 4,326,140,668.89/73,099.17
6. Step 6: Final answer
   x = 59,181.81