Finding the Fourth Proportional to 31,262,910.96, 43,128,670.00 and 18,869,042.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,262,910.96 : 43,128,670.00 = 18,869,042.54 : x
2. Step 2: Convert to fraction form
   31,262,910.96/43,128,670.00 = 18,869,042.54/x
3. Step 3: Cross multiply
   31,262,910.96x = 43,128,670.00 × 18,869,042.54
4. Step 4: Simplify right side
   31,262,910.96x = 813,796,708,758,082
5. Step 5: Solve for x
   x = 813,796,708,758,082/31,262,910.96
6. Step 6: Final answer
   x = 26,030,740.06