Finding the Fourth Proportional to 45,722.72, 68,547.17 and 42,032.15

Step by Step Solution

1. Step 1: Write the proportion equation
   45,722.72 : 68,547.17 = 42,032.15 : x
2. Step 2: Convert to fraction form
   45,722.72/68,547.17 = 42,032.15/x
3. Step 3: Cross multiply
   45,722.72x = 68,547.17 × 42,032.15
4. Step 4: Simplify right side
   45,722.72x = 2,881,184,892.72
5. Step 5: Solve for x
   x = 2,881,184,892.72/45,722.72
6. Step 6: Final answer
   x = 63,014.30