Finding the Fourth Proportional to 112,022,648.15, 167,938,128.77 and 42,984,994.95

Step by Step Solution

1. Step 1: Write the proportion equation
   112,022,648.15 : 167,938,128.77 = 42,984,994.95 : x
2. Step 2: Convert to fraction form
   112,022,648.15/167,938,128.77 = 42,984,994.95/x
3. Step 3: Cross multiply
   112,022,648.15x = 167,938,128.77 × 42,984,994.95
4. Step 4: Simplify right side
   112,022,648.15x = 7,218,819,616,875,975
5. Step 5: Solve for x
   x = 7,218,819,616,875,975/112,022,648.15
6. Step 6: Final answer
   x = 64,440,715.66