Finding the Fourth Proportional to 78,641.02, 108,596.73 and 49,970.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,641.02 : 108,596.73 = 49,970.13 : x
2. Step 2: Convert to fraction form
   78,641.02/108,596.73 = 49,970.13/x
3. Step 3: Cross multiply
   78,641.02x = 108,596.73 × 49,970.13
4. Step 4: Simplify right side
   78,641.02x = 5,426,592,715.67
5. Step 5: Solve for x
   x = 5,426,592,715.67/78,641.02
6. Step 6: Final answer
   x = 69,004.61