Finding the Fourth Proportional to 118,060,796.80, 162,924,465.48 and 65,137,501.80

Step by Step Solution

1. Step 1: Write the proportion equation
   118,060,796.80 : 162,924,465.48 = 65,137,501.80 : x
2. Step 2: Convert to fraction form
   118,060,796.80/162,924,465.48 = 65,137,501.80/x
3. Step 3: Cross multiply
   118,060,796.80x = 162,924,465.48 × 65,137,501.80
4. Step 4: Simplify right side
   118,060,796.80x = 10,612,492,663,467,536
5. Step 5: Solve for x
   x = 10,612,492,663,467,536/118,060,796.80
6. Step 6: Final answer
   x = 89,890,064.70