Finding the Fourth Proportional to 119,615,480.46, 165,069,337.59 and 64,611,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,615,480.46 : 165,069,337.59 = 64,611,337.50 : x
2. Step 2: Convert to fraction form
   119,615,480.46/165,069,337.59 = 64,611,337.50/x
3. Step 3: Cross multiply
   119,615,480.46x = 165,069,337.59 × 64,611,337.50
4. Step 4: Simplify right side
   119,615,480.46x = 10,665,350,681,928,926
5. Step 5: Solve for x
   x = 10,665,350,681,928,926/119,615,480.46
6. Step 6: Final answer
   x = 89,163,632.01