Finding the Fourth Proportional to 105,111,788.40, 144,000,744.57 and 101,181,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,111,788.40 : 144,000,744.57 = 101,181,888.72 : x
2. Step 2: Convert to fraction form
   105,111,788.40/144,000,744.57 = 101,181,888.72/x
3. Step 3: Cross multiply
   105,111,788.40x = 144,000,744.57 × 101,181,888.72
4. Step 4: Simplify right side
   105,111,788.40x = 14,570,267,312,678,884
5. Step 5: Solve for x
   x = 14,570,267,312,678,884/105,111,788.40
6. Step 6: Final answer
   x = 138,616,871.95