Finding the Fourth Proportional to 33,099,507.56, 45,677,738.71 and 18,216,544.65

Step by Step Solution

1. Step 1: Write the proportion equation
   33,099,507.56 : 45,677,738.71 = 18,216,544.65 : x
2. Step 2: Convert to fraction form
   33,099,507.56/45,677,738.71 = 18,216,544.65/x
3. Step 3: Cross multiply
   33,099,507.56x = 45,677,738.71 × 18,216,544.65
4. Step 4: Simplify right side
   33,099,507.56x = 832,090,566,721,748.38
5. Step 5: Solve for x
   x = 832,090,566,721,748.38/33,099,507.56
6. Step 6: Final answer
   x = 25,139,061.82