Finding the Fourth Proportional to 118,429,909.00, 163,422,306.50 and 65,505,477.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118,429,909.00 : 163,422,306.50 = 65,505,477.67 : x
2. Step 2: Convert to fraction form
   118,429,909.00/163,422,306.50 = 65,505,477.67/x
3. Step 3: Cross multiply
   118,429,909.00x = 163,422,306.50 × 65,505,477.67
4. Step 4: Simplify right side
   118,429,909.00x = 10,705,056,248,479,562
5. Step 5: Solve for x
   x = 10,705,056,248,479,562/118,429,909.00
6. Step 6: Final answer
   x = 90,391,492.65