Finding the Fourth Proportional to 123,032,656.37, 169,705,065.17 and 78,909,767.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,032,656.37 : 169,705,065.17 = 78,909,767.34 : x
2. Step 2: Convert to fraction form
   123,032,656.37/169,705,065.17 = 78,909,767.34/x
3. Step 3: Cross multiply
   123,032,656.37x = 169,705,065.17 × 78,909,767.34
4. Step 4: Simplify right side
   123,032,656.37x = 13,391,387,208,589,688
5. Step 5: Solve for x
   x = 13,391,387,208,589,688/123,032,656.37
6. Step 6: Final answer
   x = 108,844,168.73