Finding the Fourth Proportional to 116,289,388.81, 160,482,779.71 and 64,081,787.49

Step by Step Solution

1. Step 1: Write the proportion equation
   116,289,388.81 : 160,482,779.71 = 64,081,787.49 : x
2. Step 2: Convert to fraction form
   116,289,388.81/160,482,779.71 = 64,081,787.49/x
3. Step 3: Cross multiply
   116,289,388.81x = 160,482,779.71 × 64,081,787.49
4. Step 4: Simplify right side
   116,289,388.81x = 10,284,023,385,180,704
5. Step 5: Solve for x
   x = 10,284,023,385,180,704/116,289,388.81
6. Step 6: Final answer
   x = 88,434,753.08