Finding the Fourth Proportional to 213,043,061.52, 319,282,081.56 and 109,408,075.92

Step by Step Solution

1. Step 1: Write the proportion equation
   213,043,061.52 : 319,282,081.56 = 109,408,075.92 : x
2. Step 2: Convert to fraction form
   213,043,061.52/319,282,081.56 = 109,408,075.92/x
3. Step 3: Cross multiply
   213,043,061.52x = 319,282,081.56 × 109,408,075.92
4. Step 4: Simplify right side
   213,043,061.52x = 34,932,038,219,212,112
5. Step 5: Solve for x
   x = 34,932,038,219,212,112/213,043,061.52
6. Step 6: Final answer
   x = 163,967,030.75