Finding the Fourth Proportional to 111,402,216.10, 166,784,459.55 and 98,647,632.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,402,216.10 : 166,784,459.55 = 98,647,632.10 : x
2. Step 2: Convert to fraction form
   111,402,216.10/166,784,459.55 = 98,647,632.10/x
3. Step 3: Cross multiply
   111,402,216.10x = 166,784,459.55 × 98,647,632.10
4. Step 4: Simplify right side
   111,402,216.10x = 16,452,892,005,685,732
5. Step 5: Solve for x
   x = 16,452,892,005,685,732/111,402,216.10
6. Step 6: Final answer
   x = 147,689,090.77