Finding the Fourth Proportional to 1,016,603,308, 1,518,059,139.53 and 830,226,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,603,308 : 1,518,059,139.53 = 830,226,978.69 : x
2. Step 2: Convert to fraction form
   1,016,603,308/1,518,059,139.53 = 830,226,978.69/x
3. Step 3: Cross multiply
   1,016,603,308x = 1,518,059,139.53 × 830,226,978.69
4. Step 4: Simplify right side
   1,016,603,308x = 1,260,333,652,884,733,184
5. Step 5: Solve for x
   x = 1,260,333,652,884,733,184/1,016,603,308
6. Step 6: Final answer
   x = 1,239,749,706.66