Finding the Fourth Proportional to 17,759,820.10, 26,639,730.15 and 17,759,820.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,759,820.10 : 26,639,730.15 = 17,759,820.10 : x
2. Step 2: Convert to fraction form
   17,759,820.10/26,639,730.15 = 17,759,820.10/x
3. Step 3: Cross multiply
   17,759,820.10x = 26,639,730.15 × 17,759,820.10
4. Step 4: Simplify right side
   17,759,820.10x = 473,116,814,976,546
5. Step 5: Solve for x
   x = 473,116,814,976,546/17,759,820.10
6. Step 6: Final answer
   x = 26,639,730.15