Finding the Fourth Proportional to 105,969,341.60, 146,239,009.50 and 64,152,851.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,969,341.60 : 146,239,009.50 = 64,152,851.84 : x
2. Step 2: Convert to fraction form
   105,969,341.60/146,239,009.50 = 64,152,851.84/x
3. Step 3: Cross multiply
   105,969,341.60x = 146,239,009.50 × 64,152,851.84
4. Step 4: Simplify right side
   105,969,341.60x = 9,381,649,509,681,854
5. Step 5: Solve for x
   x = 9,381,649,509,681,854/105,969,341.60
6. Step 6: Final answer
   x = 88,531,733.50