Finding the Fourth Proportional to 119,788,570.10, 165,308,337.27 and 64,784,426.60

Step by Step Solution

1. Step 1: Write the proportion equation
   119,788,570.10 : 165,308,337.27 = 64,784,426.60 : x
2. Step 2: Convert to fraction form
   119,788,570.10/165,308,337.27 = 64,784,426.60/x
3. Step 3: Cross multiply
   119,788,570.10x = 165,308,337.27 × 64,784,426.60
4. Step 4: Simplify right side
   119,788,570.10x = 10,709,405,842,649,630
5. Step 5: Solve for x
   x = 10,709,405,842,649,630/119,788,570.10
6. Step 6: Final answer
   x = 89,402,568.49