Finding the Fourth Proportional to 1,499,917,733.15, 2,069,885,751.81 and 897,088,345.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,917,733.15 : 2,069,885,751.81 = 897,088,345.79 : x
2. Step 2: Convert to fraction form
   1,499,917,733.15/2,069,885,751.81 = 897,088,345.79/x
3. Step 3: Cross multiply
   1,499,917,733.15x = 2,069,885,751.81 × 897,088,345.79
4. Step 4: Simplify right side
   1,499,917,733.15x = 1,856,870,385,070,697,984
5. Step 5: Solve for x
   x = 1,856,870,385,070,697,984/1,499,917,733.15
6. Step 6: Final answer
   x = 1,237,981,486.61