Finding the Fourth Proportional to 12,786,089.76, 19,186,701.29 and 4,704,740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786,089.76 : 19,186,701.29 = 4,704,740.42 : x
2. Step 2: Convert to fraction form
   12,786,089.76/19,186,701.29 = 4,704,740.42/x
3. Step 3: Cross multiply
   12,786,089.76x = 19,186,701.29 × 4,704,740.42
4. Step 4: Simplify right side
   12,786,089.76x = 90,268,448,983,714.72
5. Step 5: Solve for x
   x = 90,268,448,983,714.72/12,786,089.76
6. Step 6: Final answer
   x = 7,059,894.83