Finding the Fourth Proportional to 33,501,128.69, 46,232,947.47 and 18,616,397.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,501,128.69 : 46,232,947.47 = 18,616,397.12 : x
2. Step 2: Convert to fraction form
   33,501,128.69/46,232,947.47 = 18,616,397.12/x
3. Step 3: Cross multiply
   33,501,128.69x = 46,232,947.47 × 18,616,397.12
4. Step 4: Simplify right side
   33,501,128.69x = 860,690,910,141,639.62
5. Step 5: Solve for x
   x = 860,690,910,141,639.62/33,501,128.69
6. Step 6: Final answer
   x = 25,691,400.38