Finding the Fourth Proportional to 12,121,926.89, 18,182,447.45 and 3,602,041.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,121,926.89 : 18,182,447.45 = 3,602,041.92 : x
2. Step 2: Convert to fraction form
   12,121,926.89/18,182,447.45 = 3,602,041.92/x
3. Step 3: Cross multiply
   12,121,926.89x = 18,182,447.45 × 3,602,041.92
4. Step 4: Simplify right side
   12,121,926.89x = 65,493,937,945,661.89
5. Step 5: Solve for x
   x = 65,493,937,945,661.89/12,121,926.89
6. Step 6: Final answer
   x = 5,402,931.28