Finding the Fourth Proportional to 40,455,097.99, 60,663,781.78 and 21,019,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,455,097.99 : 60,663,781.78 = 21,019,098.88 : x
2. Step 2: Convert to fraction form
   40,455,097.99/60,663,781.78 = 21,019,098.88/x
3. Step 3: Cross multiply
   40,455,097.99x = 60,663,781.78 × 21,019,098.88
4. Step 4: Simplify right side
   40,455,097.99x = 1,275,098,027,691,844.50
5. Step 5: Solve for x
   x = 1,275,098,027,691,844.50/40,455,097.99
6. Step 6: Final answer
   x = 31,518,846.60