Finding the Fourth Proportional to 105,111,675.78, 144,000,590.27 and 101,181,776.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,111,675.78 : 144,000,590.27 = 101,181,776.10 : x
2. Step 2: Convert to fraction form
   105,111,675.78/144,000,590.27 = 101,181,776.10/x
3. Step 3: Cross multiply
   105,111,675.78x = 144,000,590.27 × 101,181,776.10
4. Step 4: Simplify right side
   105,111,675.78x = 14,570,235,482,966,978
5. Step 5: Solve for x
   x = 14,570,235,482,966,978/105,111,675.78
6. Step 6: Final answer
   x = 138,616,717.65