Finding the Fourth Proportional to 112,401.01, 168,608 and 42,280.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,401.01 : 168,608 = 42,280.93 : x
2. Step 2: Convert to fraction form
   112,401.01/168,608 = 42,280.93/x
3. Step 3: Cross multiply
   112,401.01x = 168,608 × 42,280.93
4. Step 4: Simplify right side
   112,401.01x = 7,128,903,045.44
5. Step 5: Solve for x
   x = 7,128,903,045.44/112,401.01
6. Step 6: Final answer
   x = 63,423.83