Finding the Fourth Proportional to 123,761,077.16, 170,780,288.08 and 71,553,477.28

Step by Step Solution

1. Step 1: Write the proportion equation
   123,761,077.16 : 170,780,288.08 = 71,553,477.28 : x
2. Step 2: Convert to fraction form
   123,761,077.16/170,780,288.08 = 71,553,477.28/x
3. Step 3: Cross multiply
   123,761,077.16x = 170,780,288.08 × 71,553,477.28
4. Step 4: Simplify right side
   123,761,077.16x = 12,219,923,463,004,136
5. Step 5: Solve for x
   x = 12,219,923,463,004,136/123,761,077.16
6. Step 6: Final answer
   x = 98,738,017.99