Finding the Fourth Proportional to 21,608,914.42, 32,413,426.98 and 8,829,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,608,914.42 : 32,413,426.98 = 8,829,419.10 : x
2. Step 2: Convert to fraction form
   21,608,914.42/32,413,426.98 = 8,829,419.10/x
3. Step 3: Cross multiply
   21,608,914.42x = 32,413,426.98 × 8,829,419.10
4. Step 4: Simplify right side
   21,608,914.42x = 286,191,731,273,667.31
5. Step 5: Solve for x
   x = 286,191,731,273,667.31/21,608,914.42
6. Step 6: Final answer
   x = 13,244,151.27