Finding the Fourth Proportional to 78,240.02, 107,985.03 and 46,426.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,240.02 : 107,985.03 = 46,426.46 : x
2. Step 2: Convert to fraction form
   78,240.02/107,985.03 = 46,426.46/x
3. Step 3: Cross multiply
   78,240.02x = 107,985.03 × 46,426.46
4. Step 4: Simplify right side
   78,240.02x = 5,013,362,675.89
5. Step 5: Solve for x
   x = 5,013,362,675.89/78,240.02
6. Step 6: Final answer
   x = 64,076.70