Finding the Fourth Proportional to 196,761,973.14, 295,590,857.31 and 142,342,414.74

Step by Step Solution

1. Step 1: Write the proportion equation
   196,761,973.14 : 295,590,857.31 = 142,342,414.74 : x
2. Step 2: Convert to fraction form
   196,761,973.14/295,590,857.31 = 142,342,414.74/x
3. Step 3: Cross multiply
   196,761,973.14x = 295,590,857.31 × 142,342,414.74
4. Step 4: Simplify right side
   196,761,973.14x = 42,075,116,404,572,184
5. Step 5: Solve for x
   x = 42,075,116,404,572,184/196,761,973.14
6. Step 6: Final answer
   x = 213,837,642.17