Finding the Fourth Proportional to 214,075,499.10, 300,310,360.50 and 214,075,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   214,075,499.10 : 300,310,360.50 = 214,075,499.10 : x
2. Step 2: Convert to fraction form
   214,075,499.10/300,310,360.50 = 214,075,499.10/x
3. Step 3: Cross multiply
   214,075,499.10x = 300,310,360.50 × 214,075,499.10
4. Step 4: Simplify right side
   214,075,499.10x = 64,289,090,308,938,424
5. Step 5: Solve for x
   x = 64,289,090,308,938,424/214,075,499.10
6. Step 6: Final answer
   x = 300,310,360.50