Finding the Fourth Proportional to 118,143,193.43, 163,046,642.76 and 65,230,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   118,143,193.43 : 163,046,642.76 = 65,230,105.02 : x
2. Step 2: Convert to fraction form
   118,143,193.43/163,046,642.76 = 65,230,105.02/x
3. Step 3: Cross multiply
   118,143,193.43x = 163,046,642.76 × 65,230,105.02
4. Step 4: Simplify right side
   118,143,193.43x = 10,635,549,630,393,222
5. Step 5: Solve for x
   x = 10,635,549,630,393,222/118,143,193.43
6. Step 6: Final answer
   x = 90,022,533.86