Finding the Fourth Proportional to 12,748,878.99, 17,588,458.94 and 7,845,588.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748,878.99 : 17,588,458.94 = 7,845,588.42 : x
2. Step 2: Convert to fraction form
   12,748,878.99/17,588,458.94 = 7,845,588.42/x
3. Step 3: Cross multiply
   12,748,878.99x = 17,588,458.94 × 7,845,588.42
4. Step 4: Simplify right side
   12,748,878.99x = 137,991,809,746,081.52
5. Step 5: Solve for x
   x = 137,991,809,746,081.52/12,748,878.99
6. Step 6: Final answer
   x = 10,823,838.70