Finding the Fourth Proportional to 77,499.81, 107,000.15 and 47,302.64

Step by Step Solution

1. Step 1: Write the proportion equation
   77,499.81 : 107,000.15 = 47,302.64 : x
2. Step 2: Convert to fraction form
   77,499.81/107,000.15 = 47,302.64/x
3. Step 3: Cross multiply
   77,499.81x = 107,000.15 × 47,302.64
4. Step 4: Simplify right side
   77,499.81x = 5,061,389,575.40
5. Step 5: Solve for x
   x = 5,061,389,575.40/77,499.81
6. Step 6: Final answer
   x = 65,308.41