Finding the Fourth Proportional to 22,191,705.76, 30,625,499.73 and 12,402,149.65

Step by Step Solution

1. Step 1: Write the proportion equation
   22,191,705.76 : 30,625,499.73 = 12,402,149.65 : x
2. Step 2: Convert to fraction form
   22,191,705.76/30,625,499.73 = 12,402,149.65/x
3. Step 3: Cross multiply
   22,191,705.76x = 30,625,499.73 × 12,402,149.65
4. Step 4: Simplify right side
   22,191,705.76x = 379,822,030,726,376.50
5. Step 5: Solve for x
   x = 379,822,030,726,376.50/22,191,705.76
6. Step 6: Final answer
   x = 17,115,495.08