Finding the Fourth Proportional to 149,784,498.10, 210,302,959.10 and 149,784,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   149,784,498.10 : 210,302,959.10 = 149,784,498.10 : x
2. Step 2: Convert to fraction form
   149,784,498.10/210,302,959.10 = 149,784,498.10/x
3. Step 3: Cross multiply
   149,784,498.10x = 210,302,959.10 × 149,784,498.10
4. Step 4: Simplify right side
   149,784,498.10x = 31,500,123,177,738,324
5. Step 5: Solve for x
   x = 31,500,123,177,738,324/149,784,498.10
6. Step 6: Final answer
   x = 210,302,959.10