Finding the Fourth Proportional to 13,142,306.16, 19,665,500.76 and 7,753,538.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,142,306.16 : 19,665,500.76 = 7,753,538.16 : x
2. Step 2: Convert to fraction form
   13,142,306.16/19,665,500.76 = 7,753,538.16/x
3. Step 3: Cross multiply
   13,142,306.16x = 19,665,500.76 × 7,753,538.16
4. Step 4: Simplify right side
   13,142,306.16x = 152,477,210,578,169.03
5. Step 5: Solve for x
   x = 152,477,210,578,169.03/13,142,306.16
6. Step 6: Final answer
   x = 11,602,013.28