Finding the Fourth Proportional to 78,038.15, 107,693.30 and 45,792.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,038.15 : 107,693.30 = 45,792.05 : x
2. Step 2: Convert to fraction form
   78,038.15/107,693.30 = 45,792.05/x
3. Step 3: Cross multiply
   78,038.15x = 107,693.30 × 45,792.05
4. Step 4: Simplify right side
   78,038.15x = 4,931,496,749.30
5. Step 5: Solve for x
   x = 4,931,496,749.30/78,038.15
6. Step 6: Final answer
   x = 63,193.41