Finding the Fourth Proportional to 64,621,477.82, 96,789,711.78 and 53,415,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,621,477.82 : 96,789,711.78 = 53,415,289.82 : x
2. Step 2: Convert to fraction form
   64,621,477.82/96,789,711.78 = 53,415,289.82/x
3. Step 3: Cross multiply
   64,621,477.82x = 96,789,711.78 × 53,415,289.82
4. Step 4: Simplify right side
   64,621,477.82x = 5,170,050,506,564,942
5. Step 5: Solve for x
   x = 5,170,050,506,564,942/64,621,477.82
6. Step 6: Final answer
   x = 80,005,141.96