Finding the Fourth Proportional to 69,949,973, 104,706,610.18 and 51,526,685

Step by Step Solution

1. Step 1: Write the proportion equation
   69,949,973 : 104,706,610.18 = 51,526,685 : x
2. Step 2: Convert to fraction form
   69,949,973/104,706,610.18 = 51,526,685/x
3. Step 3: Cross multiply
   69,949,973x = 104,706,610.18 × 51,526,685
4. Step 4: Simplify right side
   69,949,973x = 5,395,184,520,162,654
5. Step 5: Solve for x
   x = 5,395,184,520,162,654/69,949,973
6. Step 6: Final answer
   x = 77,129,186.60