Finding the Fourth Proportional to 11,617,681.92, 17,426,530.56 and 3,640,128

Step by Step Solution

1. Step 1: Write the proportion equation
   11,617,681.92 : 17,426,530.56 = 3,640,128 : x
2. Step 2: Convert to fraction form
   11,617,681.92/17,426,530.56 = 3,640,128/x
3. Step 3: Cross multiply
   11,617,681.92x = 17,426,530.56 × 3,640,128
4. Step 4: Simplify right side
   11,617,681.92x = 63,434,801,834,311.67
5. Step 5: Solve for x
   x = 63,434,801,834,311.67/11,617,681.92
6. Step 6: Final answer
   x = 5,460,194.41