Finding the Fourth Proportional to 22,201,113.72, 30,646,980.96 and 13,502,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,201,113.72 : 30,646,980.96 = 13,502,080.56 : x
2. Step 2: Convert to fraction form
   22,201,113.72/30,646,980.96 = 13,502,080.56/x
3. Step 3: Cross multiply
   22,201,113.72x = 30,646,980.96 × 13,502,080.56
4. Step 4: Simplify right side
   22,201,113.72x = 413,798,005,842,706.19
5. Step 5: Solve for x
   x = 413,798,005,842,706.19/22,201,113.72
6. Step 6: Final answer
   x = 18,638,614.76