Finding the Fourth Proportional to 69,756,081.80, 104,634,404.72 and 28,257,742.97

Step by Step Solution

1. Step 1: Write the proportion equation
   69,756,081.80 : 104,634,404.72 = 28,257,742.97 : x
2. Step 2: Convert to fraction form
   69,756,081.80/104,634,404.72 = 28,257,742.97/x
3. Step 3: Cross multiply
   69,756,081.80x = 104,634,404.72 × 28,257,742.97
4. Step 4: Simplify right side
   69,756,081.80x = 2,956,732,114,977,976.50
5. Step 5: Solve for x
   x = 2,956,732,114,977,976.50/69,756,081.80
6. Step 6: Final answer
   x = 42,386,728.71