Finding the Fourth Proportional to 22,108,462.35, 30,509,741.24 and 12,817,837.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,108,462.35 : 30,509,741.24 = 12,817,837.95 : x
2. Step 2: Convert to fraction form
   22,108,462.35/30,509,741.24 = 12,817,837.95/x
3. Step 3: Cross multiply
   22,108,462.35x = 30,509,741.24 × 12,817,837.95
4. Step 4: Simplify right side
   22,108,462.35x = 391,068,919,046,662.81
5. Step 5: Solve for x
   x = 391,068,919,046,662.81/22,108,462.35
6. Step 6: Final answer
   x = 17,688,653.01