Finding the Fourth Proportional to 112,003,605.55, 154,564,423.55 and 64,970,191.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,003,605.55 : 154,564,423.55 = 64,970,191.32 : x
2. Step 2: Convert to fraction form
   112,003,605.55/154,564,423.55 = 64,970,191.32/x
3. Step 3: Cross multiply
   112,003,605.55x = 154,564,423.55 × 64,970,191.32
4. Step 4: Simplify right side
   112,003,605.55x = 10,042,080,169,309,014
5. Step 5: Solve for x
   x = 10,042,080,169,309,014/112,003,605.55
6. Step 6: Final answer
   x = 89,658,543.76