Finding the Fourth Proportional to 23,134,776.57, 31,918,696.25 and 13,343,908.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,134,776.57 : 31,918,696.25 = 13,343,908.05 : x
2. Step 2: Convert to fraction form
   23,134,776.57/31,918,696.25 = 13,343,908.05/x
3. Step 3: Cross multiply
   23,134,776.57x = 31,918,696.25 × 13,343,908.05
4. Step 4: Simplify right side
   23,134,776.57x = 425,920,147,769,160.31
5. Step 5: Solve for x
   x = 425,920,147,769,160.31/23,134,776.57
6. Step 6: Final answer
   x = 18,410,385.18