Finding the Fourth Proportional to 33,642,079.74, 46,426,088.72 and 18,172,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,642,079.74 : 46,426,088.72 = 18,172,164.50 : x
2. Step 2: Convert to fraction form
   33,642,079.74/46,426,088.72 = 18,172,164.50/x
3. Step 3: Cross multiply
   33,642,079.74x = 46,426,088.72 × 18,172,164.50
4. Step 4: Simplify right side
   33,642,079.74x = 843,662,521,311,434.38
5. Step 5: Solve for x
   x = 843,662,521,311,434.38/33,642,079.74
6. Step 6: Final answer
   x = 25,077,597.10