Finding the Fourth Proportional to 22,699,039.59, 31,325,366.93 and 12,910,894.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,699,039.59 : 31,325,366.93 = 12,910,894.16 : x
2. Step 2: Convert to fraction form
   22,699,039.59/31,325,366.93 = 12,910,894.16/x
3. Step 3: Cross multiply
   22,699,039.59x = 31,325,366.93 × 12,910,894.16
4. Step 4: Simplify right side
   22,699,039.59x = 404,438,496,735,212.81
5. Step 5: Solve for x
   x = 404,438,496,735,212.81/22,699,039.59
6. Step 6: Final answer
   x = 17,817,427.70