Finding the Fourth Proportional to 112,087,030.18, 154,676,592.21 and 65,708,173.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,087,030.18 : 154,676,592.21 = 65,708,173.30 : x
2. Step 2: Convert to fraction form
   112,087,030.18/154,676,592.21 = 65,708,173.30/x
3. Step 3: Cross multiply
   112,087,030.18x = 154,676,592.21 × 65,708,173.30
4. Step 4: Simplify right side
   112,087,030.18x = 10,163,516,326,388,110
5. Step 5: Solve for x
   x = 10,163,516,326,388,110/112,087,030.18
6. Step 6: Final answer
   x = 90,675,221.83