Finding the Fourth Proportional to 12,423,973.14, 17,142,447.42 and 7,837,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,423,973.14 : 17,142,447.42 = 7,837,636.50 : x
2. Step 2: Convert to fraction form
   12,423,973.14/17,142,447.42 = 7,837,636.50/x
3. Step 3: Cross multiply
   12,423,973.14x = 17,142,447.42 × 7,837,636.50
4. Step 4: Simplify right side
   12,423,973.14x = 134,356,271,598,322.84
5. Step 5: Solve for x
   x = 134,356,271,598,322.84/12,423,973.14
6. Step 6: Final answer
   x = 10,814,275.76