Finding the Fourth Proportional to 1,181,495,501.51, 1,630,556,736.24 and 672,879,720.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181,495,501.51 : 1,630,556,736.24 = 672,879,720.59 : x
2. Step 2: Convert to fraction form
   1,181,495,501.51/1,630,556,736.24 = 672,879,720.59/x
3. Step 3: Cross multiply
   1,181,495,501.51x = 1,630,556,736.24 × 672,879,720.59
4. Step 4: Simplify right side
   1,181,495,501.51x = 1,097,168,561,075,796,352
5. Step 5: Solve for x
   x = 1,097,168,561,075,796,352/1,181,495,501.51
6. Step 6: Final answer
   x = 928,626,947.52